diff --git a/android/src/main/java/com/webidmetaplugin/WebIdMetaPluginModule.kt b/android/src/main/java/com/webidmetaplugin/WebIdMetaPluginModule.kt
index c8386e4..e818a76 100644
--- a/android/src/main/java/com/webidmetaplugin/WebIdMetaPluginModule.kt
+++ b/android/src/main/java/com/webidmetaplugin/WebIdMetaPluginModule.kt
@@ -63,7 +63,16 @@ class WebIdMetaPluginModule(
 
     if (input.startsWith("sha256/") || input.startsWith("sha1/")) return input
 
-    val justValue = input.substringAfter("=", input).trim()
+    val justValue =
+      if (input.contains("=")) {
+        val left = input.substringBefore("=").trim()
+        val right = input.substringAfter("=").trim()
+
+        val looksLikeEnvKey = left.isNotEmpty() && left.length <= 64 && left.all { it.isLetterOrDigit() || it == '_' }
+        if (looksLikeEnvKey) right else input
+      } else {
+        input
+      }
 
     val base64Cert = justValue
       .replace("-----BEGIN CERTIFICATE-----", "")
@@ -72,6 +81,8 @@ class WebIdMetaPluginModule(
 
     require(base64Cert.isNotEmpty()) { "Certificate input is empty after normalization" }
 
+    Log.d("WebIdMetaPlugin", "Base64 certificate: $base64Cert")
+
     val certBytes = try {
       Base64.decode(base64Cert, Base64.DEFAULT)
     } catch (e: IllegalArgumentException) {